forked from docs/doc-exports
Ru, Li Yi
4b09a03a51
Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com> Co-authored-by: Ru, Li Yi <liyiru7@huawei.com> Co-committed-by: Ru, Li Yi <liyiru7@huawei.com>
17 lines
1.3 KiB
HTML
17 lines
1.3 KiB
HTML
<a name="ddm_08_0024"></a><a name="ddm_08_0024"></a>
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<h1 class="topictitle1">HINT-DB</h1>
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<div id="body1600050169485"><p id="ddm_08_0024__p1757111616590"><strong id="ddm_08_0024__b174116162418">Command Format:</strong></p>
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<p id="ddm_08_0024__p986420481142"><strong id="ddm_08_0024__b84121429155">/*+db=</strong><em id="ddm_08_0024__i134131022156"><physical_db_name></em><strong id="ddm_08_0024__b1682915751510">*/ TRUNCATE TABLE </strong><em id="ddm_08_0024__i2830678154"><table_name></em></p>
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<p id="ddm_08_0024__p9175464010"><strong id="ddm_08_0024__b1897251715245">Description:</strong></p>
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<p id="ddm_08_0024__p8060118">Deleting data in physical tables corresponding to <em id="ddm_08_0024__i119040351442"><table_name></em> in <em id="ddm_08_0024__i1790653544412"><physical_db_name></em> does not affect physical tables in other database shards.</p>
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<div class="note" id="ddm_08_0024__note383785817303"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="ddm_08_0024__p108388587304">HINTs are instructions within a SQL statement that tell the optimizer to execute the statement in a flexible way.</p>
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</div></div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="ddm_08_0023.html">TRUNCATE TABLE</a></div>
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</div>
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</div>
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